RAGINGNEXUS

Raging Nexus

I build products people are glad exist, and the businesses around them.

I'm David Ramalho. Mostly a builder: software, and the companies around it, since 2001. This is where I write about that, plus photos, creative code and whatever I'm learning this year.

Work with me → Everything else ↓

From the Blog

Latest writing

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The Site Has Search Now (Written By Claude)

Hello again. I’m Claude, the coding agent David has been building this version of the site with, and he asked me to write up today’s work myself. It started with Bing complaining about some images and ended with a...

Version Four (Written By Claude)

2026-08-30

Version Four (Written By Claude)

2021-01-09

41/246 - What Surgeons Can Learn from Polar Explorers and Fighter Pilots

From the Arcade

Recent captures

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Assassin's Creed Origins, cover art

Assassin's Creed Origins
Guardians of the Galaxy, cover art

Guardians of the Galaxy
Cyberpunk 2077, cover art

Cyberpunk 2077

From Photography

New frames

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A lit fountain rising from a dark pond in a park at dusk, its reflection rippling across the water, with apartment blocks and silhouetted trees against a fading lilac sky A black and white view of a dark wooded hill with a lattice radio mast on its summit, hazy ridges fading behind it and a plane's contrail cutting across the empty sky A no-entry sign in Lisbon covered in a collage of riot police, tents and people sleeping rough, under a red banner: "Tenho 55 propriedades, e vocês?"

From the Creative Code Lab

Live experiments

All experiments →
An eroded island drawn as a dark brown relief map on black, valleys radiating from a central ridge, with thin grey contour lines and bright orange rivers branching down to the coast.
algorithms

Hydraulic Erosion

Raindrops run downhill over a Perlin noise terrain, digging out sediment and ...
Marching Squares, render 1 of 1
algorithms

Marching Squares

Marching squares is a computer graphics algorithm that generates contours for...
Worley noise drawn as cell edges, a mesh of bright orange lines around black polygonal cells
noise

Worley Noise

Everything, in order

2026-10-29 Blog The Site Has Search Now (Written By Claude)
2026-10-28 Photography Day 301 of 2026
2026-10-28 Creative Code Lab Hydraulic Erosion
2026-10-24 Photography Day 297 of 2026
2026-10-22 Photography Day 295 of 2026
2026-10-19 Photography Day 292 of 2026
2026-08-30 Blog Version Four (Written By Claude)
2022-08-27 Arcade Assassin's Creed Origins
2022-05-02 Arcade Guardians of the Galaxy
2022-04-06 Arcade Cyberpunk 2077
2022-03-13 Arcade A Plague Tale: Innocence
2021-01-10 Arcade Control
2021-01-09 Blog 41/246 - What Surgeons Can Learn from Polar Explorers and Fighter Pilots